{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:KVBVGN25NJIFGM67ETMXOQH4BT","short_pith_number":"pith:KVBVGN25","canonical_record":{"source":{"id":"2008.07666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-08-17T23:27:06Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"05dab0d79497d37b9f62b3ba0196ed5a98232dd44b95f68f00e0cc57c29c759f","abstract_canon_sha256":"088c7b346dc4d5287c9d588aa4bce7d48dbe935540b391bac66fd6911f0191f0"},"schema_version":"1.0"},"canonical_sha256":"554353375d6a505333df24d97740fc0cedb26febc93cef34457d5a0219039907","source":{"kind":"arxiv","id":"2008.07666","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.07666","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"arxiv_version","alias_value":"2008.07666v1","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.07666","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_12","alias_value":"KVBVGN25NJIF","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_16","alias_value":"KVBVGN25NJIFGM67","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_8","alias_value":"KVBVGN25","created_at":"2026-07-05T02:37:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:KVBVGN25NJIFGM67ETMXOQH4BT","target":"record","payload":{"canonical_record":{"source":{"id":"2008.07666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-08-17T23:27:06Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"05dab0d79497d37b9f62b3ba0196ed5a98232dd44b95f68f00e0cc57c29c759f","abstract_canon_sha256":"088c7b346dc4d5287c9d588aa4bce7d48dbe935540b391bac66fd6911f0191f0"},"schema_version":"1.0"},"canonical_sha256":"554353375d6a505333df24d97740fc0cedb26febc93cef34457d5a0219039907","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:37:05.026007Z","signature_b64":"LTxNN5TxBcrizt//xWEwwBVUUaFAXZJrPkFG2zGAc6GoTMRGRH1uHVVWngYRQQhQeqoo/kNuMtGRtcD3aqyEBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"554353375d6a505333df24d97740fc0cedb26febc93cef34457d5a0219039907","last_reissued_at":"2026-07-05T02:37:05.025507Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:37:05.025507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.07666","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:37:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U7bX90ZW5ShXLqL6km02D9LzbXsy6FHljqH0nTh1BbEXkxLpqzeqcC7zjbF90L26U6F+1Mp8YQ57QqgrzIm9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T14:10:41.264594Z"},"content_sha256":"6d896dd44bc7a0a5b60348c6ccfeceffff8f9b959cfb3b3b3770fa7150b07d1d","schema_version":"1.0","event_id":"sha256:6d896dd44bc7a0a5b60348c6ccfeceffff8f9b959cfb3b3b3770fa7150b07d1d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:KVBVGN25NJIFGM67ETMXOQH4BT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synthesis, Engineering, and Theory of 2D van der Waals Magnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.S. Botana, D. Dey, J.L. Lado, M. Blei, O. Erten, Q. Song, R. Comin, S. Tongay, V. Pardo","submitted_at":"2020-08-17T23:27:06Z","abstract_excerpt":"Spontaneous magnetic order is a routine instance in three-dimensional (3D) materials but for a long time, it remained elusive in the 2D world. Recently, the first examples of (stand-alone) 2D van der Waals (vdW) crystals with magnetic order, either antiferromagnetic or ferromagnetic, have been reported. In this review, we describe the state of the art of the nascent field of magnetic 2D materials focusing on synthesis, engineering, and theory aspects. We also discuss challenges and some of the many different promising directions for future work."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.07666","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2008.07666/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:37:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rahJahVJCC/1bt/9T6Eo/j5fw6EuaTeFZYGOPntPJHYToB4qKQ7Gbn663aqN2orPjGnSbjT70pzVFGIPONVRAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T14:10:41.264930Z"},"content_sha256":"6da7f9b441bf2170dec4dc2866bf0491366d9ab169bc2e1e228ddbbf3a808890","schema_version":"1.0","event_id":"sha256:6da7f9b441bf2170dec4dc2866bf0491366d9ab169bc2e1e228ddbbf3a808890"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KVBVGN25NJIFGM67ETMXOQH4BT/bundle.json","state_url":"https://pith.science/pith/KVBVGN25NJIFGM67ETMXOQH4BT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KVBVGN25NJIFGM67ETMXOQH4BT/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-22T14:10:41Z","links":{"resolver":"https://pith.science/pith/KVBVGN25NJIFGM67ETMXOQH4BT","bundle":"https://pith.science/pith/KVBVGN25NJIFGM67ETMXOQH4BT/bundle.json","state":"https://pith.science/pith/KVBVGN25NJIFGM67ETMXOQH4BT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KVBVGN25NJIFGM67ETMXOQH4BT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:KVBVGN25NJIFGM67ETMXOQH4BT","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"088c7b346dc4d5287c9d588aa4bce7d48dbe935540b391bac66fd6911f0191f0","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-08-17T23:27:06Z","title_canon_sha256":"05dab0d79497d37b9f62b3ba0196ed5a98232dd44b95f68f00e0cc57c29c759f"},"schema_version":"1.0","source":{"id":"2008.07666","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.07666","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"arxiv_version","alias_value":"2008.07666v1","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.07666","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_12","alias_value":"KVBVGN25NJIF","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_16","alias_value":"KVBVGN25NJIFGM67","created_at":"2026-07-05T02:37:05Z"},{"alias_kind":"pith_short_8","alias_value":"KVBVGN25","created_at":"2026-07-05T02:37:05Z"}],"graph_snapshots":[{"event_id":"sha256:6da7f9b441bf2170dec4dc2866bf0491366d9ab169bc2e1e228ddbbf3a808890","target":"graph","created_at":"2026-07-05T02:37:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2008.07666/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Spontaneous magnetic order is a routine instance in three-dimensional (3D) materials but for a long time, it remained elusive in the 2D world. Recently, the first examples of (stand-alone) 2D van der Waals (vdW) crystals with magnetic order, either antiferromagnetic or ferromagnetic, have been reported. In this review, we describe the state of the art of the nascent field of magnetic 2D materials focusing on synthesis, engineering, and theory aspects. We also discuss challenges and some of the many different promising directions for future work.","authors_text":"A.S. Botana, D. Dey, J.L. Lado, M. Blei, O. Erten, Q. Song, R. Comin, S. Tongay, V. Pardo","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-08-17T23:27:06Z","title":"Synthesis, Engineering, and Theory of 2D van der Waals Magnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.07666","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:6d896dd44bc7a0a5b60348c6ccfeceffff8f9b959cfb3b3b3770fa7150b07d1d","target":"record","created_at":"2026-07-05T02:37:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"088c7b346dc4d5287c9d588aa4bce7d48dbe935540b391bac66fd6911f0191f0","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-08-17T23:27:06Z","title_canon_sha256":"05dab0d79497d37b9f62b3ba0196ed5a98232dd44b95f68f00e0cc57c29c759f"},"schema_version":"1.0","source":{"id":"2008.07666","kind":"arxiv","version":1}},"canonical_sha256":"554353375d6a505333df24d97740fc0cedb26febc93cef34457d5a0219039907","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"554353375d6a505333df24d97740fc0cedb26febc93cef34457d5a0219039907","first_computed_at":"2026-07-05T02:37:05.025507Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:37:05.025507Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LTxNN5TxBcrizt//xWEwwBVUUaFAXZJrPkFG2zGAc6GoTMRGRH1uHVVWngYRQQhQeqoo/kNuMtGRtcD3aqyEBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:37:05.026007Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.07666","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d896dd44bc7a0a5b60348c6ccfeceffff8f9b959cfb3b3b3770fa7150b07d1d","sha256:6da7f9b441bf2170dec4dc2866bf0491366d9ab169bc2e1e228ddbbf3a808890"],"state_sha256":"4dc893f25529145a4d506067bdff2a13ca5eea580d9586ce42417c026d9498be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V2rEBiZqonTLi3bCXaUazGOIzHiMTUAVxUxrijw83W2ODu0iOhHGr3DoPRhxLuijT8b2oaIx14nkj+apyxR2AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T14:10:41.269004Z","bundle_sha256":"882a7ebcbc337a86e5d6b05e284c3ca95aa2ce1b583cb1280917a588cafd1646"}}